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Originally Posted by ahays
Another rule of thumb: Never make non-Definity changes to the ACTIVE server.
We were having modem problems at one cunstomer's site. Well, as a long time modem guy the first diagnostic technique that I employed was to reset/power cycle the modem. What no power cable? That shouldn't be a problem ... we'll just unplug the USB cable and plug it back in. BAD IDEA! Brought the server to its knees. There were a couple of spontaneous interchanges, all active calls remained up but no new dialtone was issued and no incoming calls were delivered until Linux finished investigating why one of its mounted devices disappeared and, "hey ... what's this new device that was just plugged into my USB port?" That took about 8-10 minutes and freaked out everyone on the site ... especially me.
Yeah ... lesson learned! <grin>
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You were freak out?... Just hear this crypt tale: same happen to me, but I swap both modems to check their correct operation. Deduce yourself what happen for the same 8-10 minutes!!
Good to me not even the local AVAYA support knew why this happened until 3 weeks later by the TIER3 support guys. "Normal RH server behavior" they said. :confused:
MC.
